3d(d-3)+5(d+7)-d(d+1)-2(d-3)(d+3)+4=0

Simple and best practice solution for 3d(d-3)+5(d+7)-d(d+1)-2(d-3)(d+3)+4=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 3d(d-3)+5(d+7)-d(d+1)-2(d-3)(d+3)+4=0 equation: 



3d(d-3)+5(d+7)-d(d+1)-2(d-3)(d+3)+4=0

We use the square of the difference formula

d^2+3d(d-3)+5(d+7)-d(d+1)+9+4=0

We multiply parentheses

d^2+3d^2-d^2-9d+5d-d+35+9+4=0

We add all the numbers together, and all the variables

3d^2-5d+48=0

a = 3; b = -5; c = +48;
Δ = b2-4ac
Δ = -52-4·3·48
Δ = -551
Delta is less than zero, so there is no solution for the equation

See similar equations:

| 6*(1/10)+8y=(1/10) | | (8-3z)-(5z-3)+(5-2z)=(6z-4)(4z+2) | | 3x+48=57 | | 6(x+2)=7x-22+2x | | 0.5x+3=3x-1+2x+1+x | | 7x−84=−70 | | 0.5x+3=3x-1+2+1+x | | 3(x/3-3)-8=4x+2 | | x^2+10x+425=0 | | -(-9-x/4)=9 | | -4(-6r-3)=12 | | -15=-(2x+3) | | 9x^2+42x+50=0 | | 4p-14=9p+4 | | 4p=14=9p+4 | | 3x+2=(2x+13)/33x+2 | | 4x8x=72 | | 5x-26=1 | | 3(x+3)=7(x−2) | | (2x+18)+124=180 | | 60t–5t^2=0 | | 60t–5t2=0 | | 5/(1+3x)=0.5-1.5x | | 7(x-7)+124=180 | | 54x=7x | | 12x-16=10x | | 8x-20=5x+22 | | M/2+m/5=21) | | 2x+5=1+3(2+2x) | | 2x+5=1+3(2+2x | | 9x+8=80-9x-18 | | a÷5=7÷15 |

Equations solver categories